C3123223313331322121111331333133313231333132212111113331323131121133131232121   >>    C312322331333132212111133133313331323133313221211111333132313112113313123212   <<    C3123223313331322121111331333133313231333132212111113331323131121133131232123   >>      C3123223313331322121111331333133313231333132212111113331323131121133131232122   >>