C1111121111331311211331333133313331323131133133313222123313231333132322123121   >>    C111112111133131121133133313331333132313113313331322212331323133313232212312   <<    C1111121111331311211331333133313331323131133133313222123313231333132322123123   >>      C1111121111331311211331333133313331323131133133313222123313231333132322123122   >>