C312322331333132212111133133313331312111133132313331333313222321   >>    C31232233133313221211113313331333131211113313231333133331322232   <<    C312322331333132212111133133313331312111133132313331333313222323   >>      C312322331333132212111133133313331312111133132313331333313222322   >>