C31232233133313221211113313331333132313331322121111331123133321   >>    C3123223313331322121111331333133313231333132212111133112313332   <<    C31232233133313221211113313331333132313331322121111331123133323   >>      C31232233133313221211113313331333132313331322121111331123133322   >>