In the hydrocarbon, \[\underset{6}{\mathop{C}}\,{{H}_{3}}-\underset{5}{\mathop{C}}\,H=\underset{4}{\mathop{C}}\,H-\underset{3}{\mathop{C}}\,{{H}_{2}}-\underset{2}{\mathop{C}}\,\equiv \underset{1}{\mathop{C}}\,H\] the state of hybridization of carbons 1, 3 and 5 are in the following sequence