C3123223313331322121111331333133313231333132212111112113313231331123222331   >>    C312322331333132212111133133313331323133313221211111211331323133112322233   <<    C3123223313331322121111331333133313231333132212111112113313231331123222333   >>      C3123223313331322121111331333133313231333132212111112113313231331123222332   >>