C31232233133313221211113313331333132313331322121111113313311231323221   >>    C3123223313331322121111331333133313231333132212111111331331123132322   <<    C31232233133313221211113313331333132313331322121111113313311231323223   >>      C31232233133313221211113313331333132313331322121111113313311231323222   >>