C312322331333132212111133133313331312111133132313331333222212321   >>    C31232233133313221211113313331333131211113313231333133322221232   <<    C312322331333132212111133133313331312111133132313331333222212323   >>      C312322331333132212111133133313331312111133132313331333222212322   >>