C312322331333132212111133133313331312111133132313113313231323222333133313122321   >>    C31232233133313221211113313331333131211113313231311331323132322233313331312232   <<    C312322331333132212111133133313331312111133132313113313231323222333133313122323   >>      C312322331333132212111133133313331312111133132313113313231323222333133313122322   >>