C1111121111331311211331333133313331323131133133313222123313231323221211331   >>    C111112111133131121133133313331333132313113313331322212331323132322121133   <<    C1111121111331311211331333133313331323131133133313222123313231323221211333   >>      C1111121111331311211331333133313331323131133133313222123313231323221211332   >>