C3123223313331322121111331333133313231333132212113313231311211331331   >>    C312322331333132212111133133313331323133313221211331323131121133133   <<    C3123223313331322121111331333133313231333132212113313231311211331333   >>      C3123223313331322121111331333133313231333132212113313231311211331332   >>