C2122121212121133131323223313133313311221232313231323131331123232321   >>    C212212121212113313132322331313331331122123231323132313133112323232   <<    C2122121212121133131323223313133313311221232313231323131331123232323   >>      C2122121212121133131323223313133313311221232313231323131331123232322   >>