C1121221313331313231323132213231323131133131323133313232213133112311   >>    C112122131333131323132313221323132313113313132313331323221313311231   <<    C1121221313331313231323132213231323131133131323133313232213133112313   >>      C1121221313331313231323132213231323131133131323133313232213133112312   >>