C22212323232133313113313331333133313231323231311211221112322131   >>    C2221232323213331311331333133313331323132323131121122111232213   <<    C22212323232133313113313331333133313231323231311211221112322133   >>      C22212323232133313113313331333133313231323231311211221112322132   >>