C1121221313331313231323132213231323131133131323133313232213133112331   >>    C112122131333131323132313221323132313113313132313331323221313311233   <<    C1121221313331313231323132213231323131133131323133313232213133112333   >>      C1121221313331313231323132213231323131133131323133313232213133112332   >>